3-{2-[1-(tert-butyl-dimethyl-silanyloxy)-3-trimethylsilanyl-prop-2-ynyl]-3,4,5-trimethoxy-phenyl}-propan-1-ol

3-{2-[1-(tert-butyl-dimethyl-silanyloxy)-3-trimethylsilanyl-prop-2-ynyl]-3,4,5-trimethoxy-phenyl}-propionic acid methyl ester

tert-butyl-dimethyl-(2,3,4-trimethoxy-6-vinyl-8,9-dihydro-5H-benzocyclohepten-5-yloxy)-silane